5G NR FCC Overview and Test Methods

Guide to FCC certification for 5G user equipment: required tests and test-station setup, covering RF output power, occupied bandwidth, EVM and spurious emissions.

Can Brain–Computer Interfaces Truly Work?

Overview of Neuralink's FDA-approved BCI trials, ethical scrutiny, and technical limits of decoding intentions, applications, paradigms, and Chinese startups.

Wearables Moving to Medical Grade: New Component Requirements

Technical overview of medical-grade wearables focusing on clinical accuracy and low-power design for compact continuous health monitoring

Mobile Intelligent Networking vs Home Wi-Fi

Mobile intelligent networking: router-centric services offering remote router diagnostics, parental controls, device-specific quality-of-service and game and education acceleration.

SIMO PMICs Simplify Wearable Power Design

Technical overview of SIMO PMICs for wearables: single-inductor multi-output designs, efficiency, battery/charging considerations, and PMIC examples to optimize power management.

Broadband Antennas for Low-Band 5G and Legacy Bands

Multiband antenna guide for sub-6 GHz 5G and legacy cellular bands: compares embedded vs external designs, performance trade-offs, BOM benefits and example modules.

How Non-Terrestrial Networks Enable Satellite Internet

Technical overview of non-terrestrial networks (NTN), covering constellation types, 3GPP standardization, component stress factors and market demand for NXP Layerscape processors.

Wearable Remote Patient Monitoring Using MAX86178

Technical overview of wearable RPM design using MAX86178 AFE and MAX77659 SIMO PMIC for low-power, compact continuous monitoring of ECG, SpO2, and respiration.

Wearable Sensors: Smaller Size, Greater Impact

Technical overview of wearables and sensors: MEMS, PPG, accelerometers, gyroscopes, GNSS and pressure sensors, market trends and miniaturization driving medical and consumer devices.

Implementing wearable device applications

Technical overview of wearable device architecture, firmware flow, and task partitioning for dual-core MCUs, covering sensor fusion, low-power acquisition, and BLE.

TI bq25190 Linear Battery Charger Datasheet

TI bq25190 linear battery charger for wearable devices: integrated power-path, buck and buck-boost regulators, LDOs, ADC, I2C programmability and ultra-low quiescent current.

Simplifying Mobile USB-C Design

Technical overview of USB-C charging challenges and how integrated USB-C buck charger ICs with built-in port controllers simplify power delivery and reduce BOM

How Digital Temperature Sensors Sense Temperature

Overview of Huapu Micro's T09 digital temperature sensor: ±0.2°C accuracy, 1.71–3.6V supply, low-power operation, I2C interface, register map and application use cases.

5G Private Network vs 5G Mobile Private Network

Comparison of 5G private networks vs 5G mobile private networks: application scenarios, target users, service packages, and 5G virtual private network security and features.

Optical Heart-Rate Sensors in Wearables for Medical Use

Technical overview of wearable PPG heart-rate sensors and their use to estimate VO2 max and cardiac metrics for fitness and medical assessments.

All-Perovskite Photovoltaic Battery for Wearable Devices

Dual-function EVI2 perovskite strategy enabling 26.11% PSCs (1000 h stability) and EVSn2I6 cathodes to form an all-perovskite PVB with 18.54% efficiency.

Guide to Adding Contact Temperature Sensing in Wearables

Integration guidelines for the MAX30205 temperature sensor in wearables: maximize skin contact, minimize thermal mass and PCB heat paths to ensure accurate skin readings.

SIMO Switch Regulators Extend Battery Life in Wearables

Technical overview of SIMO (single?inductor multiple?output) buck?boost PMICs for space?constrained devices, reducing component count and quiescent current.

Add ECG to Wearables Without Increasing Power

Review of biopotential theory and practical ECG measurement for chest-worn wearables, focusing on low-power AFE selection, analog bandpass filtering, and PMIC power schemes.

TPS631000 for Efficient, Compact Wearable Designs

Technical overview of TI TPS631000 buck-boost converter for wearables: 1.6–5.5V input, 1.2–5.3V output, 8μA quiescent current, compact SOT-583 package.